I've not done this but I can at least speak from the point of the Citrix session. It depends on what the policies are for your sessions. Usually, admins will set policies to logoff disconnected sessions after a certain period of time. If there is no limit to how long a disconnected session can run, I would imagine the redirector would sit there and run just fine. You might want to be careful though. I don't know what would happen if you ended up having multiple sessions with redirector connections to your mailbox. Possibly not work at all? Possibly end up with multiple copies of mail being sent to you? Be careful.